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What is the Least Common Multiple of 79770 and 79774?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 79770 and 79774 is 3181785990.

LCM(79770,79774) = 3181785990

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Least Common Multiple of 79770 and 79774 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79770 and 79774, than apply into the LCM equation.

GCF(79770,79774) = 2
LCM(79770,79774) = ( 79770 × 79774) / 2
LCM(79770,79774) = 6363571980 / 2
LCM(79770,79774) = 3181785990

Least Common Multiple (LCM) of 79770 and 79774 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79770 and 79774. First we will calculate the prime factors of 79770 and 79774.

Prime Factorization of 79770

Prime factors of 79770 are 2, 3, 5, 2659. Prime factorization of 79770 in exponential form is:

79770 = 21 × 31 × 51 × 26591

Prime Factorization of 79774

Prime factors of 79774 are 2, 39887. Prime factorization of 79774 in exponential form is:

79774 = 21 × 398871

Now multiplying the highest exponent prime factors to calculate the LCM of 79770 and 79774.

LCM(79770,79774) = 21 × 31 × 51 × 26591 × 398871
LCM(79770,79774) = 3181785990